Results 91 to 100 of about 154,794 (242)

An Overview of the Rock Art of AlUla: Tracing Changes in Content and Form Across 12,000 Years of Human History

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Between 2018 and 2021, the Identification and Documentation of Immovable Heritage Assets (IDIHA) Project recorded over 19,000 rock art panels in the AlUla (al‐‘Ulā) region of north‐western Saudi Arabia. This study presents a chronological assessment of the corpus, drawing on superimpositions, datable motifs, inscriptions, and varnish formation,
Maria Guagnin   +3 more
wiley   +1 more source

Fine-scale site fidelity in California sea lions, Zalophus californianus, in the colony at Los Islotes, La Paz Bay, Mexico

open access: yesCiencias Marinas, 2019
Fine-scale site fidelity in polygynous pinnipeds influences individual interactions, social stability, and gene flow; over time, demographic processes may be altered, and local extinction of some colonies may occur.
Andrea Rayas-Estrada   +1 more
doaj   +1 more source

The Provenance of Silver in the Viking‐Age Hoard From Bedale, North Yorkshire

open access: yesArchaeometry, EarlyView.
ABSTRACT The acquisition of silver was a key motive propelling the Viking expansion out of Scandinavia; identifying the sources of Viking silver during the early part of the Viking Age can provide critical insights into the relative significance of western European and eastern, Islamic wealth in the Viking expansion.
Jane Kershaw   +5 more
wiley   +1 more source

An Accounting of the Sources of Steller Sea Lion, Eumetopias jubatus, Mortality [PDF]

open access: yes, 2000
During 1991–2000, the west-are additional mortalities that fueled the ern stock of Steller sea lions, Eumetopias decline. We tabulated the levels of reported jubatus, declined at 5.03% (SE = 0.25%) anthropogenic sources of mortality (sub- per year ...
Loughlin, Thomas R., York, Anne E.
core  

Utilisation of intensive foraging zones by female Australian fur seals. [PDF]

open access: yes, 2015
Within a heterogeneous environment, animals must efficiently locate and utilise foraging patches. One way animals can achieve this is by increasing residency times in areas where foraging success is highest (area-restricted search).
Arnould, John PY   +3 more
core   +2 more sources

The Fiery Eyes of a Maenad: Origin Determination of Faceted Garnet Eye Inlays in a Roman Bronze Bust From Southern Tyrol

open access: yesArchaeometry, EarlyView.
ABSTRACT In 1837, the Tyrolean State Museum Ferdinandeum in Innsbruck, Austria, purchased a Roman bronze statue of a maenad from the 2nd century ce with red garnets as facetted eye inlays found near Brixen, Southern Tyrol. These garnets were investigated using optical microscopy, a portable hand‐held and a stationary micro‐X‐ray fluorescence device, as
H. Albert Gilg   +3 more
wiley   +1 more source

Orientation and experience in the perception of form: A study with the arizona whale-kangaroo [PDF]

open access: yes, 2018
When subjects are presented with the Arizona whale-kangaroo, an ambiguous figure, perception of the whale is more common than perception of the kangaroo. However, this difference is smaller in Australian than American subjects. Perception of the kangaroo
Cranney, J   +5 more
core  

Blood oxygen depletion in California sea lions

open access: yesThe FASEB Journal, 2012
The rate and magnitude of O 2 store depletion is critical to the dive performance and foraging ecology of breath hold divers. We investigated blood O 2 depletion with a backpack recorder for the partial pressure of O 2
Birgitte I McDonald, Paul J Ponganis
openaire   +1 more source

Morphometric and Paleobiological Insights Into Pleistocene Sicilian Wolf Populations

open access: yesActa Zoologica, EarlyView.
ABSTRACT The Pleistocene wolves (Canis lupus) from Sicily represent one of the few known insular populations of this species from that time period. Despite their potential relevance for understanding carnivore adaptations in insular contexts, no dedicated study has previously investigated their morphology and evolutionary significance.
Domenico Tancredi   +3 more
wiley   +1 more source

Presenting Clinical Features of Vitreoretinal Lymphoma

open access: yesClinical &Experimental Ophthalmology, EarlyView.
ABSTRACT Background Vitreoretinal lymphoma is a rare cancer, widely recognised to present diagnostic challenges. We aimed to report information that would support the clinician in considering this diagnosis. Methods We interrogated the International Vitreoretinal B‐Cell Lymphoma Registry for clinical data from patients newly diagnosed with ...
The International Vitreoretinal B‐Cell Lymphoma Registry Investigator Group   +64 more
wiley   +1 more source

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